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Systems and Methods for Modeling Surface Properties of a Mechanical Component

a technology of mechanical components and systems, applied in the field of systems and methods for modeling can solve the problems of unpredictable measurement of the surface fatigue life and surface degradation rate of mechanical components

Inactive Publication Date: 2009-10-08
UNITED TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Measurement of the surface fatigue life and surface degradation rate of mechanical components has been unpredictable.

Method used

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  • Systems and Methods for Modeling Surface Properties of a Mechanical Component
  • Systems and Methods for Modeling Surface Properties of a Mechanical Component
  • Systems and Methods for Modeling Surface Properties of a Mechanical Component

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Embodiment Construction

[0016]It was surprisingly found that the surface life fatigue and surface degradation rate of a mechanical component could be modeled. It was also surprisingly found that surface life fatigue and surface degradation rate could be predicted and characterized.

[0017]The system and method of the present invention are useful in predicting the surface life fatigue or surface degradation rate of mechanical components that are subject to repeated, cyclical mechanical and / or thermal stress. The system and method are useful, for example, with gears, bearings, splines, and springs. The system and method are particularly useful with interlocking / intermeshing gears, which are subject to repeated, cyclical mechanical stress. The system and method can be used with any type of gear, such as but not limited to a spur gear, worm gear, straight bevel gear, Zerol bevel gear, spiral bevel gear, helical gear, herringbone gear, double helical gear, hypoid gear, crossed helical gear, and the like.

[0018]The...

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Abstract

There is a method for modeling the surface fatigue life of a mechanical component. The method has the following steps: a) modeling the surface fatigue life of the mechanical component on an atomistic scale to form an atomistic model, b) modeling the surface fatigue life of the mechanical component on a mesoscale to form a mesoscale model, c) modeling the surface fatigue life of the mechanical component on a macroscale to form a macroscale model, and d) testing the surface fatigue life of the mechanical component. Feedback from the macroscale model is employed at least once to validate the atomistic model. Feedback from the macroscale model is employed at least once to validate the mesoscale model. Feedback from the testing is employed at least once to validate the macroscale model. There is also an interactive, multiscale model for prediction surface fatigue life or degradation rate for a mechanical component.

Description

CROSS-REFERENCE TO A RELATED APPLICATION[0001]The present application is related to the following copending and commonly-owned application: PCT Application “Method and System for Developing Lubricants, Lubricant Additives, and Lubricant Base Stocks Utilizing Atomistic Modeling Tools,” Attorney Docket No. 0002293WOU, EH-11696, filed Dec. 2, 2005. The contents of the aforementioned PCT Application is hereby incorporated by reference herein in its entirety.GOVERNMENT RIGHTS IN THE INVENTION[0002]The invention was made by or under contract with the National Institute of Standards and Technology (NIST) of the United States Government under contract number 70NANB0H3048.BACKGROUND OF THE INVENTION[0003]1. Field of the Invention[0004]The invention relates to systems and methods for modeling the surface fatigue life and surface degradation rate of a mechanical component that is subject to repeated mechanical and / or thermal stress. The invention more particularly relates to a method for model...

Claims

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Application Information

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IPC IPC(8): G06F19/00G06G7/48
CPCG01N2203/0073G06F2217/80G06F17/5009G01N2203/0214G06F2119/08G06F30/20
Inventor TULYANI, SONIASTAROSELSKY, ALEXANDERFEDCHENIA, IGOR I.WEN, HONGMEICOOPER, CLARK V.OPALKA, SUSANNE M.
Owner UNITED TECH CORP
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